How to Save Money on Audi Battery Replacement Are you experiencing issues with your Audi key fob not locking and unlocking it? This may be a sign that the battery is in need of replacement. To replace the battery, simply open the metal key with flathead, then pop the back https://g28-car-keys01208.blogunteer.com/29472096/10-healthy-audi-a4-spare-key-habits